/Engine/Plugins/FX/Niagara/Source/Niagara/Public/NiagaraTypes.h
[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)([BlueprintType](Programming/UnrealArchitecture/Reference/Structs/Specifiers/BlueprintType)) struct FNiagaraVariable : public [FNiagaraVariableBase](API\Plugins\Niagara\FNiagaraVariableBase)